syzbot has bisected this issue to:
commit 45d9c8dde4cd8589f9180309ec60f0da2ce486e4
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date: Thu Aug 12 13:14:12 2021 +0000
drm/vgem: use shmem helpers
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=126094df680000
start commit: d2f51b3516da Merge tag 'rtc-6.7' of git://git.kernel.org/p..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=116094df680000
console output: https://syzkaller.appspot.com/x/log.txt?x=166094df680000
kernel config: https://syzkaller.appspot.com/x/.config?x=1ffa1cec3b40f3ce
dashboard link: https://syzkaller.appspot.com/bug?extid=398e17b61dab22cc56bc
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16344918e80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=156bb2c0e80000
Reported-by: syzbot+398e17b61dab22cc56bc@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 45d9c8dde4cd ("drm/vgem: use shmem helpers")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
